Home / 3,636,161.76-5,017,774.05-1,982,274.69

Finding the Fourth Proportional to 3,636,161.76, 5,017,774.05 and 1,982,274.69

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Solution

The fourth proportional to 3,636,161.76, 5,017,774.05 and 1,982,274.69 is: 2,735,468.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,636,161.76 : 5,017,774.05 = 1,982,274.69 : x
  2. Step 2: Convert to fraction form
    3,636,161.76/5,017,774.05 = 1,982,274.69/x
  3. Step 3: Cross multiply
    3,636,161.76x = 5,017,774.05 × 1,982,274.69
  4. Step 4: Simplify right side
    3,636,161.76x = 9,946,606,499,453.79
  5. Step 5: Solve for x
    x = 9,946,606,499,453.79/3,636,161.76
  6. Step 6: Final answer
    x = 2,735,468.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.